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From 4765c85914d55590c6d17b6cf9e6f7964d1af108 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Tue, 28 Oct 2008 21:41:39 +0300
Subject: [PATCH 01/23] collie: start scoop converton to new api
Start converting scoop gpio access to new API instead of old
deprecated one.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
---
arch/arm/mach-sa1100/collie.c | 28 +++++++++++++++++++++++-----
arch/arm/mach-sa1100/include/mach/collie.h | 7 ++++---
2 files changed, 27 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index fe28999..8cf267f 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -25,6 +25,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/timer.h>
+#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -55,6 +56,7 @@ static struct resource collie_scoop_resources[] = {
static struct scoop_config collie_scoop_setup = {
.io_dir = COLLIE_SCOOP_IO_DIR,
.io_out = COLLIE_SCOOP_IO_OUT,
+ .gpio_base = COLLIE_SCOOP_GPIO_BASE,
};
struct platform_device colliescoop_device = {
@@ -196,18 +198,34 @@ static struct mtd_partition collie_partitions[] = {
}
};
+static int collie_flash_init(void)
+{
+ int rc;
+ rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
+ if (rc)
+ return rc;
+
+ rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
+ if (rc)
+ gpio_free(COLLIE_GPIO_VPEN);
+
+ return rc;
+}
+
static void collie_set_vpp(int vpp)
{
- write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) | COLLIE_SCP_VPEN);
- if (vpp)
- write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) | COLLIE_SCP_VPEN);
- else
- write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
+ gpio_set_value(COLLIE_GPIO_VPEN, vpp);
}
+static void collie_flash_exit(void)
+{
+ gpio_free(COLLIE_GPIO_VPEN);
+}
static struct flash_platform_data collie_flash_data = {
.map_name = "cfi_probe",
+ .init = collie_flash_init,
.set_vpp = collie_set_vpp,
+ .exit = collie_flash_exit,
.parts = collie_partitions,
.nr_parts = ARRAY_SIZE(collie_partitions),
};
diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h
index 69e9624..9bc5349 100644
--- a/arch/arm/mach-sa1100/include/mach/collie.h
+++ b/arch/arm/mach-sa1100/include/mach/collie.h
@@ -14,6 +14,7 @@
#define __ASM_ARCH_COLLIE_H
+#define COLLIE_SCOOP_GPIO_BASE (GPIO_MAX + 1)
#define COLLIE_SCP_CHARGE_ON SCOOP_GPCR_PA11
#define COLLIE_SCP_DIAG_BOOT1 SCOOP_GPCR_PA12
#define COLLIE_SCP_DIAG_BOOT2 SCOOP_GPCR_PA13
@@ -21,13 +22,13 @@
#define COLLIE_SCP_MUTE_R SCOOP_GPCR_PA15
#define COLLIE_SCP_5VON SCOOP_GPCR_PA16
#define COLLIE_SCP_AMP_ON SCOOP_GPCR_PA17
-#define COLLIE_SCP_VPEN SCOOP_GPCR_PA18
+#define COLLIE_GPIO_VPEN (COLLIE_SCOOP_GPIO_BASE + 7)
#define COLLIE_SCP_LB_VOL_CHG SCOOP_GPCR_PA19
#define COLLIE_SCOOP_IO_DIR ( COLLIE_SCP_CHARGE_ON | COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | \
- COLLIE_SCP_5VON | COLLIE_SCP_AMP_ON | COLLIE_SCP_VPEN | \
+ COLLIE_SCP_5VON | COLLIE_SCP_AMP_ON | \
COLLIE_SCP_LB_VOL_CHG )
-#define COLLIE_SCOOP_IO_OUT ( COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | COLLIE_SCP_VPEN | \
+#define COLLIE_SCOOP_IO_OUT ( COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | \
COLLIE_SCP_CHARGE_ON )
/* GPIOs for which the generic definition doesn't say much */
--
1.5.6.5
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